The structures of the endocrine system are crucial to performing functions that are essential in life processes. what is the major function performed by the endocrine system? a. it affects the reproductive system. b. it releases hormones into the bloodstream. c. it competes with the nervous system. d. it is made up primarily of glands with ducts.

This is one form of rna that transports a specific amino acid to a ribosome during protein synthesis.

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.

Which is not a characteristic of bacteria? a. they are unicellular. b. they are prokaryotic. c. they are the smallest form of life on earth. d. they are multicellular.